private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "")//validation part
{
MessageBox.Show("Please, insert Book ID to delete");
}
else
{
int r = EmC.DeleteEmployee(Convert.ToInt32(textBox1.Text));
if (r == 0)
{
MessageBox.Show("Your Request is Invalid");
}
else
{
MessageBox.Show("The Employee was Delete Successfully!");
}
}
}
